KeyName ROOTKEY\SubKey (local machine only) ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key to restore the hive file into. Overwriting the existing key's values and subkeys FileName The name of the hive file to restore You must use REG SAVE to create this file

KeyName [\\Machine\]FullKey Machine Name of remote machine - omitting defaults to the current machine Only HKLM and HKU are available on remote machines FullKey ROOTKEY\SubKey If FullKey2 is not specified, FullKey2 is the same as FullKey1 ROOTKEY [ HKLM | HKCU | HKCR | HKU | HKCC ] SubKey The full name of a registry key under the selected ROOTKEY ValueName The value name, under the selected Key, to compare When omitted, all values under the Key are compared /ve compare the value of empty value name <no name> /s Compare all subkeys and values Output [/oa | /od | /os | /on] When omitted, output only differences /oa Output all of differences and matches /od Output only differences /os Output only matches /on No output

Return Code:

0 - Succussful, the result compared is identical 1 - Failed 2 - Successful, the result compared is different

Examples:

REG COMPARE HKLM\Software\MyCo\MyApp HKLM\Software\MyCo\SaveMyApp Compares all values under the key MyApp with SaveMyApp

REG COMPARE HKLM\Software\MyCo HKLM\Software\MyCo1 /v Version Compares the value Version under the key MyCo and MyCo1

REG COMPARE \\ZODIAC\HKLM\Software\MyCo \\. /s Compares all subkeys and values under HKLM\Software\MyCo on ZODIAC with the same key on the current machine